Ships – Boats – boat component – or attachment – Boarding aids
Patent
1999-03-29
2000-05-09
Swinehart, Ed
Ships
Boats, boat component, or attachment
Boarding aids
182 97, B63B 1700
Patent
active
060588756
ABSTRACT:
A hinged stairway system for water vehicles containing a stairway and ladder rung system for use in the water, a hinge system secured to the stairway system, a locking system securable to the hinge system, a tubular support bar secured to the locking system and a system for securing the stairway system to the transom of a water vehicle.
REFERENCES:
patent: 2896831 (1959-07-01), Ellingson
patent: 2971601 (1961-02-01), Fortune
patent: 4541507 (1985-09-01), Gibellato
patent: 5427049 (1995-06-01), Mardikian
Cox Scott R.
Swinehart Ed
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